net: Trap attempts to call sock_kfree_s() with a NULL pointer.
authorDavid S. Miller <davem@davemloft.net>
Tue, 14 Oct 2014 21:02:37 +0000 (17:02 -0400)
committerDavid S. Miller <davem@davemloft.net>
Tue, 14 Oct 2014 21:02:37 +0000 (17:02 -0400)
commite53da5fbfc02586fe4506ed583069b8205f3e38d
tree1837e8406e630c05e7a045e3bdcf6c4e2cd5860e
parentdee49f203a7feef5d00c416b7dc7e34a7caba8e1
net: Trap attempts to call sock_kfree_s() with a NULL pointer.

Unlike normal kfree() it is never right to call sock_kfree_s() with
a NULL pointer, because sock_kfree_s() also has the side effect of
discharging the memory from the sockets quota.

Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/sock.c